616  
FZPN28 KNHC 181536  
OFFPZ8  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
836 AM PDT TUE MAR 18 2025  
 
OFFSHORE WATERS FORECAST FOR THE E PACIFIC WITHIN 250 NM OF  
CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE  
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
PMZ101-190345-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,  
COLOMBIA, AND WITHIN 750 NM OF ECUADOR  
836 AM PDT TUE MAR 18 2025  
   
SYNOPSIS  
FRESH TO STRONG NE WINDS WILL PULSE IN THE PAPAGAYO  
REGION INTO THE WEEKEND, NEARING GALE-FORCE DURING THE OVERNIGHT  
AND EARLY MORNING HOURS, AND BUILDING SEAS TO ROUGH. FRESH TO  
LOCALLY STRONG NE WINDS WILL PULSE FROM THE GULF OF PANAMA  
THROUGH THE AZUERO PENINSULA THROUGH THE END OF THE WEEK, WITH  
SEAS LOCALLY ROUGH AT TIMES. ROUGH SEAS GENERATED BY GALES IN THE  
GULF OF TEHUANTEPEC WILL IMPACT THE WATERS WELL OFFSHORE OF  
GUATEMALA THROUGH THE EVENING, THEN AGAIN THU NIGHT THROUGH FRI  
NIGHT. WINDS WILL BE MODERATE OR WEAKER ELSEWHERE WITH SLIGHT TO  
MODERATE SEAS, BUILDING IN SOUTHERLY SWELL FROM OFFSHORE ECUADOR  
TO THE GALAPAGOS ISLANDS BY MID-WEEK. SEAS MAY REACH TO AROUND 8  
FT JUST SW OF THE GALAPAGOS BY WED NIGHT.  
 
 
 
PMZ111-190345-  
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN NW SWELL.  
PERIOD 13 SECONDS.    
TONIGHT  
E TO SE WINDS 10 KT, SHIFTING TO N TO NE LATE.  
SEAS 6 TO 9 FT IN NW SWELL. PERIOD 11 SECONDS.    
WED  
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NW SWELL.  
PERIOD 17 SECONDS.    
WED NIGHT  
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 16 SECONDS.    
THU  
N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
PERIOD 16 SECONDS.    
THU NIGHT  
N TO NE WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
FRI  
E WINDS 15 TO 20 KT. SEAS 9 TO 14 FT IN W TO NW SWELL.  
PERIOD 13 SECONDS.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN NW TO N  
SWELL. PERIOD 12 SECONDS.    
SAT  
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN N TO NE SWELL.  
PERIOD 12 SECONDS.    
SAT NIGHT  
N TO NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN E TO  
SE SWELL. PERIOD 12 SECONDS.  
 
 
 
PMZ113-190345-  
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA  
AND PAPAGAYO-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN NE TO E  
SWELL. PERIOD 14 SECONDS.    
TONIGHT  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,  
AND E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT IN E SWELL.  
PERIOD 13 SECONDS.    
WED  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND  
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.  
PERIOD 12 SECONDS.    
WED NIGHT  
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF  
PAPAGAYO, AND N TO NE 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN  
E SWELL. PERIOD 16 SECONDS.    
THU  
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 14 SECONDS.    
THU NIGHT  
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN SE  
SWELL. PERIOD 13 SECONDS.    
FRI  
NE TO E WINDS 25 TO 30 KT. SEAS 7 TO 10 FT IN NE TO E  
SWELL. PERIOD 13 SECONDS.    
FRI NIGHT  
E WINDS 20 TO 25 KT. SEAS 7 TO 10 FT IN NE TO E  
SWELL. PERIOD 12 SECONDS.    
SAT  
NE TO E WINDS 20 TO 25 KT. SEAS 7 TO 10 FT IN NE TO E  
SWELL. PERIOD 12 SECONDS.    
SAT NIGHT  
NE TO E WINDS 25 KT OFFSHORE GULF OF PAPAGAYO, AND  
N TO NE 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN NE TO E SWELL.  
PERIOD 12 SECONDS.  
 
 
 
PMZ115-190345-  
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
NE WINDS 20 TO 25 KT NEAR THE AZUERO PENINSULA, AND  
E 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
TONIGHT  
NE WINDS 20 TO 25 KT NEAR THE AZUERO PENINSULA, AND  
E 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 17 SECONDS.    
WED  
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
WED NIGHT  
N TO NE WINDS 15 TO 20 KT NEAR THE AZUERO  
PENINSULA, AND NW 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
THU  
NW TO N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
THU NIGHT  
N WINDS 15 TO 20 KT NEAR THE AZUERO PENINSULA, AND  
N 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI  
N TO NE WINDS 15 TO 20 KT NEAR THE AZUERO PENINSULA, AND  
NE 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
FRI NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 14 SECONDS.    
SAT  
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
PERIOD 14 SECONDS.    
SAT NIGHT  
NW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.  
 
 
 
PMZ117-190345-  
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
N TO NE WINDS 20 TO 25 KT GULF OF PANAMA, AND N TO NE  
15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD 15 SECONDS.    
TONIGHT  
N TO NE WINDS 20 TO 25 KT GULF OF PANAMA, AND NE  
10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD 17 SECONDS.  
SCATTERED SHOWERS THROUGH THE NIGHT.    
WED  
N TO NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN N SWELL.  
PERIOD 16 SECONDS.    
WED NIGHT  
N TO NE WINDS 20 TO 25 KT GULF OF PANAMA, AND N TO  
NE 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT. PERIOD 16 SECONDS.  
SCATTERED SHOWERS THROUGH THE NIGHT.    
THU  
N WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN NW SWELL.  
PERIOD 13 SECONDS.    
THU NIGHT  
N TO NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN NW TO  
N SWELL. PERIOD 13 SECONDS.    
FRI  
N TO NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN N SWELL.  
PERIOD 12 SECONDS.    
FRI NIGHT  
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN N SWELL.  
PERIOD 12 SECONDS.    
SAT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN N SWELL.  
PERIOD 12 SECONDS.    
SAT NIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW TO W SWELL.  
PERIOD 13 SECONDS.  
 
 
 
PMZ119-190345-  
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT IN THE  
MORNING. VARIABLE WINDS LESS THAN 5 KT IN THE AFTERNOON.  
ELSEWHERE, SE TO S WINDS 10 KT IN THE MORNING. SEAS 4 TO 6 FT IN  
SW SWELL. PERIOD 17 SECONDS.    
TONIGHT  
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 17 SECONDS.    
WED  
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW WINDS  
10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 16 SECONDS.    
WED NIGHT  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS.    
THU  
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
THU NIGHT  
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
FRI  
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND S  
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
FRI NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
SAT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT  
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.  
 
 
 
PMZ121-190345-  
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW TO W SWELL.  
PERIOD 17 SECONDS.    
TONIGHT  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.  
PERIOD 16 SECONDS.    
WED  
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 16 SECONDS.    
WED NIGHT  
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
THU  
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
THU NIGHT  
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
FRI  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
FRI NIGHT  
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 14 SECONDS.    
SAT  
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT  
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.  
 
 
 
PMZ123-190345-  
OFFSHORE GALAPAGOS ISLANDS-  
836 AM PDT TUE MAR 18 2025  
   
TODAY  
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 7 FT IN W TO NW  
SWELL. PERIOD 16 SECONDS.    
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 7 FT IN W SWELL.  
PERIOD 15 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
WED  
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 8 FT IN SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.    
WED NIGHT  
E TO SE WINDS 10 KT. SEAS 5 TO 8 FT IN SW SWELL.  
PERIOD 16 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.    
THU  
E WINDS 10 KT. SEAS 4 TO 7 FT IN SW SWELL.  
PERIOD 13 SECONDS.    
THU NIGHT  
E WINDS 10 KT. SEAS 4 TO 7 FT IN SW SWELL.  
PERIOD 13 SECONDS.    
FRI  
E WINDS 10 KT. SEAS 3 TO 6 FT IN SW SWELL.  
PERIOD 14 SECONDS.    
FRI NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 6 FT IN SW SWELL.  
PERIOD 13 SECONDS.    
SAT  
E TO SE WINDS 10 KT. SEAS 3 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 6 FT IN S TO SW  
SWELL. PERIOD 13 SECONDS.  
 
 
 
FORECASTER LEWITSKY  
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